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Finding the Fourth Proportional to 302,540.80, 453,811.20 and 176,051.20

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Solution

The fourth proportional to 302,540.80, 453,811.20 and 176,051.20 is: 264,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,540.80 : 453,811.20 = 176,051.20 : x
  2. Step 2: Convert to fraction form
    302,540.80/453,811.20 = 176,051.20/x
  3. Step 3: Cross multiply
    302,540.80x = 453,811.20 × 176,051.20
  4. Step 4: Simplify right side
    302,540.80x = 79,894,006,333.44
  5. Step 5: Solve for x
    x = 79,894,006,333.44/302,540.80
  6. Step 6: Final answer
    x = 264,076.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.